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Finding the Fourth Proportional to 311,234.40, 466,851.60 and 304,322.40

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Solution

The fourth proportional to 311,234.40, 466,851.60 and 304,322.40 is: 456,483.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,234.40 : 466,851.60 = 304,322.40 : x
  2. Step 2: Convert to fraction form
    311,234.40/466,851.60 = 304,322.40/x
  3. Step 3: Cross multiply
    311,234.40x = 466,851.60 × 304,322.40
  4. Step 4: Simplify right side
    311,234.40x = 142,073,399,355.84
  5. Step 5: Solve for x
    x = 142,073,399,355.84/311,234.40
  6. Step 6: Final answer
    x = 456,483.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.